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# (Solved): Wpc300 Quiz 2: Visualization...

Wpc300 Quiz 2: Visualization

Quiz Instructions

Question 1          1 pts

Which of the following statements is a reason not to use a table for data visualization?

• Tables cannot easily show trends
• The table has more precise numbers
• Large amount of information can be included in a very small space

Question 2         1 pts

In for a chart to minimize graphical complexity, the data-ink ratio must be:

• greater than 1
• close to 1
• close to zero
• less than 1

Question 3         1 pts

In order for a chart to have graphical integrity, the lie factor must be:

• close to zero
• greater than 1
• close to 1
• less than 1

Question 4       1 pts

Which of the following violates the principle of data visualization?

• The lie-factor should be closely equal to 1
• Avoid unnecessary chart junk
• The chart should tell a story
• The data-ink ratio should be higher than 1

Question 5             1 pts

Which of the following statement(s) about charts is false?

• A chart should minimize graphical complexity
• None of the other answers are false
• A chart should have graphical integrity
• A chart should tell a story

Question 6        1 pts

Which are useful principles for data visualization?

• It is important to include pointed arrows whenever possible to really draw attention to the eyes
• The graph suggests a possible true effect
• Including as many grids as possible is vital for fully specifying the data to be represented
• The use of a wide range of colors is critical to emphasize distinctions

Question 7         1 pts

Which of the following statement(s) about charts is true?

• Data ink can sometimes help tell a richer story
• The more data ink, the better
• We should make as many grids as possible in a chart
• A useless chart is called "chart junk"

Question 8        1 pts

What best describes the nature of a rose diagram?

• Rarely used for azimuthal data
• Plots data using a circular historical plot
• Uses various colors to represent cause of mortality
• Represents various species of flowers

Question 9         1 pts

Deleting the grid lines in a chart

• Increases the lie-factor
• Decreases the lie-factor
• Decreases the data-ink ratio
• Increases the data-ink ratio

Question 10        1 pts

When the lie-factor of a graphical chart is more than 1,

•  the size of the effect shown in the graph is bigger than the actual effect in the data.
• the graph simplifies the true effect.
• the graph understates the true effect.
• the graph suggests a possible true effect.

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